/*
Theme Name: 游戏指南
Theme URI: 
Author: 
Description: 明亮清新风格，支持动态栏目、配色自定义、序号系统、SEO、友情链接
Version: 1.0
*/

/* ============================================================
   CSS 变量 — 与设计图完全一致
   ============================================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-bg: #f4f6fa;
    --color-surface: #ffffff;
    --color-text: #1a1a2c;
    --color-text-secondary: #4a4a60;
    --color-text-muted: #8a8aa0;
    --color-primary: #3b6eff;
    --color-primary-soft: rgba(59, 110, 255, 0.08);
    --color-border: #e2e6ee;
    --color-shadow: 0 12px 40px rgba(0, 0, 0, 0.05);
    --radius-card: 24px;
    --radius-btn: 60px;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --transition: 0.3s cubic-bezier(0.2, 0, 0, 1);
    --header-height: 72px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    /* WordPress 全局样式会在主题 CSS 后注入 body padding，固定导航必须强制预留高度。 */
    padding-top: var(--header-height) !important;
    min-height: 100vh;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================================
   导航栏（毛玻璃效果）
   ============================================================ */
.header {
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
    padding: 16px 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 1000;
    height: var(--header-height);
    display: flex;
    align-items: center;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    flex-wrap: nowrap;
    gap: 18px;
}

.logo {
    min-width: 0;
    white-space: nowrap;
}

.nav-main {
    flex: 1 1 auto;
    min-width: 0;
    justify-content: flex-end;
    gap: clamp(12px, 1.45vw, 24px);
    white-space: nowrap;
}

.nav-main a {
    font-size: 14px;
}

.search-box input {
    width: 112px;
}

.search-box input:focus {
    width: 132px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.3px;
    cursor: pointer;
    flex-shrink: 0;
}

.logo i {
    color: var(--color-primary);
    font-size: 28px;
}

.logo img {
    height: 36px;
    width: auto;
}

.logo span {
    font-weight: 400;
    color: var(--color-text-muted);
    font-size: 0.75rem;
    margin-left: 4px;
    letter-spacing: 0.5px;
}

.nav-main {
    display: flex;
    gap: 32px;
    font-weight: 500;
    font-size: 15px;
}

.nav-main a {
    color: var(--color-text-secondary);
    padding: 6px 0;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

.nav-main a:hover,
.nav-main a.active {
    color: var(--color-text);
    border-bottom-color: var(--color-primary);
}

.header-tools {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.search-box {
    display: flex;
    align-items: center;
    background: rgba(0, 0, 0, 0.03);
    border-radius: var(--radius-btn);
    padding: 6px 16px 6px 20px;
    border: 1px solid transparent;
    transition: var(--transition);
}

.search-box:focus-within {
    background: #fff;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px var(--color-primary-soft);
}

.search-box form {
    display: flex;
    align-items: center;
    width: 100%;
}

.search-box input {
    background: transparent;
    border: none;
    outline: none;
    font-size: 14px;
    padding: 8px 0;
    width: 160px;
    color: var(--color-text);
}

.search-box input::placeholder {
    color: var(--color-text-muted);
}

.search-box input:focus {
    width: 170px;
}

.search-box button {
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    font-size: 16px;
    cursor: pointer;
    padding: 4px 0 4px 10px;
    transition: var(--transition);
}

.search-box button:hover {
    color: var(--color-primary);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 6px;
}

.hamburger span {
    display: block;
    width: 26px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition);
    border-radius: 2px;
}

/* ============================================================
   面包屑
   ============================================================ */
.breadcrumb {
    margin: 28px 0 20px;
    font-size: 14px;
    color: var(--color-text-muted);
}

.breadcrumb a {
    color: var(--color-primary);
    transition: var(--transition);
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb .sep {
    margin: 0 8px;
}

/* ============================================================
   页脚
   ============================================================ */
.footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: 40px 0 28px;
    margin-top: 40px;
}

.footer .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.footer-links {
    display: flex;
    gap: 36px;
    font-size: 14px;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    color: var(--color-text-muted);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--color-primary);
}

.footer-info {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--color-text-muted);
    flex-wrap: wrap;
    justify-content: center;
}

/* ============================================================
   滚动条
   ============================================================ */
::-webkit-scrollbar {
    width: 5px;
}
::-webkit-scrollbar-track {
    background: var(--color-bg);
}
::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: 8px;
}
::-webkit-scrollbar-thumb:hover {
    opacity: 0.8;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 820px) {
    .nav-main {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(12px);
        flex-direction: column;
        padding: 16px 24px 24px;
        gap: 4px;
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-120%);
        transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
        align-items: stretch;
        z-index: 999;
    }
    .nav-main.open {
        transform: translateY(0);
    }
    .nav-main a {
        padding: 12px 16px;
        border-bottom: 1px solid var(--color-border);
        border-radius: 0;
        font-size: 1rem;
        color: var(--color-text);
    }
    .nav-main a.active {
        border-left: 3px solid var(--color-primary);
        border-bottom-color: transparent;
        background: var(--color-primary-soft);
        color: var(--color-primary);
    }
    .hamburger {
        display: flex;
    }
    .header-tools .search-box input {
        width: 100px;
    }
    .header-tools .search-box input:focus {
        width: 130px;
    }
}

@media (max-width: 600px) {
    .container {
        padding: 0 16px;
    }
    .logo {
        font-size: 20px;
    }
    .logo span {
        display: none;
    }
    .footer-links {
        gap: 20px;
    }
    .footer-info {
        flex-direction: column;
        align-items: center;
        gap: 4px;
    }
}